In C, a string is an array of characters terminated by a null character (`'\0'`). Strings in C are commonly represented as character arrays and provide a way to work with sequences of characters. Here's an example of working with strings in C: ```c #include <stdio.h> int main() { // Declaring and initializing a string char name[] = "John"; // Printing the string printf("Name: %s\n", name); // Accessing individual characters printf("First character: %c\n", name[0]); printf("Second character: %c\n", name[1]); // Modifying characters name[2] = 'y'; printf("Modified string: %s\n", name); // String input from the user char city[20]; printf("Enter your city: "); scanf("%s", city); printf("City: %s\n",...